Question

If x=-1, y=-2, z=2, then find the value of (i) x²+yz (ii) xz-y?
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Answer 1

Answer:

if x sqare + yz

put value x= -1 y = -2 z = 2

therefore , (-1) sqare + (-2) × 2

= -3 × 2

= -6

xz-y = -6

# be brainy

Answer 2

Answer:

(I) 1+(-4)= 1-4 =-3

(ii) (-1) (2) - (-2)

-2+2

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